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. Author manuscript; available in PMC: 2021 Jun 1.
Published in final edited form as: Addict Behav. 2020 Feb 5;105:106345. doi: 10.1016/j.addbeh.2020.106345

Table 2.

Smoking, vaping and vaping purchasing behaviors among those who vaped in the past 12-months

Canada % (n=846) United States % (n=972) England % (n=961) Total % (n=2779) Canada vs US PR* (95% CI) US vs England PR* (95% CI) Canada vs England PR* (95% CI)
Smoked in the past 30 days (% yes) 34.9 (295) 35.8 (348) 41.5 (399) 37.5 (1043) 0.97 (0.85 - 1.12) 0.86 (0.76 - 0.97) 0.84 (0.74 - 0.96)
Smoked ≥ 20 days in past 30 days (%yes) 12.6 (106) 12.6 (123) 12.7 (122) 12.6 (351) 0.99 (0.75 - 1.32) 0.99 (0.77 - 1.28) 0.99 (0.75 - 1.3)
Vaped in the past 30 days (% yes) 40.2 (340) 46.7 (454) 36.1 (347) 41.1 (1142) 0.86 (0.76 - 0.97) 1.29 (1.15 - 1.45) 1.11 (0.98 - 1.27)
Vaped ≥ 20 days in past 30 days (% yes) 8.8 (74) 9.1 (89) 6.2 (59) 8 (222) 0.96 (0.67 - 1.36) 1.48 (1.04 - 2.12) 1.42 (0.98 - 2.07)
Above the legal age to purchase tobacco/vaping products (%yes) 48.1 (407) 52.4 (510) 52 (500) 51 (1416) 0.92 (0.83 - 1.02) 1.01 (0.92 - 1.11) 0.93 (0.84 - 1.03)
Purchased vaping product in the past 12 months (% yes) 31.9 (270) 39.6 (385) 26.1 (251) 32.6 (906) 0.81 (0.71 - 0.94) 1.51 (1.31 - 1.74) 1.24 (1.05 - 1.45)
Refused sale of vaping product in the past 12 months because of age (% yes) 10.0 (85) 13.5 (132) 10.1 (97) 11.3 (314) 0.74 (0.55 - 0.99) 1.34 (1.02 - 1.76) 0.99 (0.73 - 1.35)
*

PR: prevalence ratio; CI: confidence interval